Home / 298,719,782.70-448,079,674.05-262,887,974.70

Finding the Fourth Proportional to 298,719,782.70, 448,079,674.05 and 262,887,974.70

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Solution

The fourth proportional to 298,719,782.70, 448,079,674.05 and 262,887,974.70 is: 394,331,962.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,719,782.70 : 448,079,674.05 = 262,887,974.70 : x
  2. Step 2: Convert to fraction form
    298,719,782.70/448,079,674.05 = 262,887,974.70/x
  3. Step 3: Cross multiply
    298,719,782.70x = 448,079,674.05 × 262,887,974.70
  4. Step 4: Simplify right side
    298,719,782.70x = 117,794,758,015,240,640
  5. Step 5: Solve for x
    x = 117,794,758,015,240,640/298,719,782.70
  6. Step 6: Final answer
    x = 394,331,962.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.